Disable your Anti-Virus and see if that is what blocking it, and check Windows Firewall and make sure Network stuff and Homegroup are allowed through.
I am not using homegroup. Just using sharing over network as u suggested. I am still getting same permissions error. I disabled AV and firewall as well.
Here ´s my problem with Homegroup: on RS2 PC x86 Insider Builds can´t connect to EXISTING Homegroup, only can create NEW one. ON x64 BUILDS IN THE SAME HOMEGROUP EVERYTHING WORKS OK!?? Trying everything talked here, nothing help. On RS1 x86 builds is everything OK too!! A lot of feedbacks and tweets sended to MS, no answer...
Here ´s my problem with Homegroup: on RS2 PC x86 Insider Builds can´t connect to EXISTING Homegroup, only can create NEW one. ON x64 BUILDS IN THE SAME HOMEGROUP EVERYTHING WORKS OK!?? Trying everything talked here, nothing help. On RS1 x86 builds is everything OK too!! A lot of feedbacks and tweets sended to MS, no answer... Anybody help me....? What can I do more to solve this VERY IMPORTANT problem...?
You do know that when you install a new insider preview build, it kicks you out of your home group and you have to reenter the password and set all of the settings just as if you were connecting for the first time.